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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [ada/] [s-tasdeb.ads] - Rev 816
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------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- -- -- -- S Y S T E M . T A S K I N G . D E B U G -- -- -- -- S p e c -- -- -- -- Copyright (C) 1997-2009, Free Software Foundation, Inc. -- -- -- -- GNARL is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- -- ware Foundation; either version 3, or (at your option) any later ver- -- -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- -- or FITNESS FOR A PARTICULAR PURPOSE. -- -- -- -- As a special exception under Section 7 of GPL version 3, you are granted -- -- additional permissions described in the GCC Runtime Library Exception, -- -- version 3.1, as published by the Free Software Foundation. -- -- -- -- You should have received a copy of the GNU General Public License and -- -- a copy of the GCC Runtime Library Exception along with this program; -- -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- -- <http://www.gnu.org/licenses/>. -- -- -- -- GNARL was developed by the GNARL team at Florida State University. -- -- Extensive contributions were provided by Ada Core Technologies, Inc. -- -- -- ------------------------------------------------------------------------------ -- This package encapsulates all direct interfaces to task debugging services -- that are needed by gdb with gnat mode. with System.Tasking; with System.OS_Interface; package System.Tasking.Debug is pragma Preelaborate; ------------------------------------------ -- Application-level debugging routines -- ------------------------------------------ procedure List_Tasks; -- Print a list of all the known Ada tasks with abbreviated state -- information, one-per-line, to the standard error file. procedure Print_Current_Task; -- Write information about current task, in hexadecimal, as one line, to -- the standard error file. procedure Print_Task_Info (T : Task_Id); -- Similar to Print_Current_Task, for a given task procedure Set_User_State (Value : Long_Integer); -- Set user state value in the current task. This state will be displayed -- when calling List_Tasks or Print_Current_Task. It is useful for setting -- task specific state. function Get_User_State return Long_Integer; -- Return the user state for the current task ------------------------- -- General GDB support -- ------------------------- Known_Tasks : array (0 .. 999) of Task_Id := (others => null); -- Global array of tasks read by gdb, and updated by Create_Task and -- Finalize_TCB Debug_Event_Activating : constant := 1; Debug_Event_Run : constant := 2; Debug_Event_Suspended : constant := 3; Debug_Event_Preempted : constant := 4; Debug_Event_Terminated : constant := 5; Debug_Event_Abort_Terminated : constant := 6; Debug_Event_Exception_Terminated : constant := 7; Debug_Event_Rendezvous_Exception : constant := 8; Debug_Event_Handled : constant := 9; Debug_Event_Dependents_Exception : constant := 10; Debug_Event_Handled_Others : constant := 11; subtype Event_Kind_Type is Positive range 1 .. 11; -- Event kinds currently defined for debugging, used globally -- below and on a per taak basis. procedure Signal_Debug_Event (Event_Kind : Event_Kind_Type; Task_Value : Task_Id); ---------------------------------- -- VxWorks specific GDB support -- ---------------------------------- -- Although the following routines are implemented in a target independent -- manner, only VxWorks currently uses them. procedure Task_Creation_Hook (Thread : OS_Interface.Thread_Id); -- This procedure is used to notify GDB of task's creation. It must be -- called by the task's creator. procedure Task_Termination_Hook; -- This procedure is used to notify GDB of task's termination procedure Suspend_All_Tasks (Thread_Self : OS_Interface.Thread_Id); -- Suspend all the tasks except the one whose associated thread is -- Thread_Self by traversing All_Tasks_Lists and calling -- System.Task_Primitives.Operations.Suspend_Task. procedure Resume_All_Tasks (Thread_Self : OS_Interface.Thread_Id); -- Resume all the tasks except the one whose associated thread is -- Thread_Self by traversing All_Tasks_Lists and calling -- System.Task_Primitives.Operations.Continue_Task. procedure Stop_All_Tasks_Handler; -- Stop all the tasks by traversing All_Tasks_Lists and calling -- System.Task_Primitives.Operations.Stop_All_Task. This function -- can be used in an interrupt handler. procedure Stop_All_Tasks; -- Stop all the tasks by traversing All_Tasks_Lists and calling -- System.Task_Primitives.Operations.Stop_Task. procedure Continue_All_Tasks; -- Continue all the tasks by traversing All_Tasks_Lists and calling -- System.Task_Primitives.Operations.Continue_Task. ------------------------------- -- Run-time tracing routines -- ------------------------------- procedure Trace (Self_Id : Task_Id; Msg : String; Flag : Character; Other_Id : Task_Id := null); -- If traces for Flag are enabled, display on Standard_Error a given -- message for the current task. Other_Id is an optional second task id -- to display. procedure Set_Trace (Flag : Character; Value : Boolean := True); -- Enable or disable tracing for Flag. By default, flags in the range -- 'A' .. 'Z' are disabled, others are enabled. end System.Tasking.Debug;
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